PXA DMA support

modulename: pxa_dma.ko

configname: CONFIG_PXA_DMA

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>PXA DMA support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support the DMA engine for PXA. It is also compatible with MMP PDMA
platform. The internal DMA IP of all PXA variants is supported, with
16 to 32 channels for peripheral to memory or memory to memory
transfers.

source code:
drivers/dma/pxa_dma.c